Science

Friday, 12 June 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Graphene
It can be said that graphite is composed of single planes, layers of one carbon atom thick, and graphene, arranged one above the other.
The term “graphene” appeared in the 1960s. In 1961-1962, Hans-Peter Boehm published a study of extre ...
Nicotine
Larger doses of nicotine cause permanent blocking of the nervous system.
Nicotine binds permanently to nicotinic receptors in nerve cells, disturbing their metabolism. Initi ...
Mushrooms
The element that distinguishes fungi from animal is the presence of cell walls and vacuoles, which in turn brings them closer to plants.
Fungi do not carry out photosynthesis, the cell walls of most fungi contain chitin, which is not fou ...
Enceladus
The results of the study of data provided by the Cosmic Dust Analyzer spectrometer on board the Cassini spacecraft showed that among the material fired by Enceladus' geysers, there are organic compounds that create amino acids.
Moon
Selenographic coordinates are used to determine coordinates on the lunar surface.
Milky Way
Its diameter is from 100 to 120 thousand light years.
It is therefore a relatively large galaxy, although some cosmic giants may dwarf it in size. IC 1101 is about 20 times larger than the Milky Way, with a diameter of 2 million light-years.
Cosmos
Since 2nd November 2000, humans have continuously lived in space.
Although the lineup of astronauts orbiting over our heads changes constantly, there has not been a single day since November 2000 in which any astronaut has not been in space.
Tears
Watery eyes may be a signal of dry eye syndrome.
Dry eye syndrome is caused by insufficient quantity or quality of tears, which prevents the proper lubrication of eyeballs. It causes excessive watering of the eyes, as a response to the irritation.
Moon
The Moon is so far the only celestial body on which humans have landed.
The first successful landing on the Moon took place on July 20, 1969, at 21:17 CET. Shortly after la ...
lava
Magma can also solidify deep within the Earth's crust.
It then forms intrusions, bodies of rock that have penetrated between older rock formations. In the ...